vulnerability

Ubuntu: (Multiple Advisories) (CVE-2017-7820): Firefox vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Sep 28, 2017
Added
Oct 3, 2017
Modified
Nov 27, 2024

Description

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.

Solution

ubuntu-upgrade-firefox
Title
NEW

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